Instrument unit



FIG. 1 is a top left side perspective view of an instrument unit showingmy new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is an enlarged left side elevational view thereof;

FIG. 5 is an enlarged right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing the tip in FIGS. 1-4 and 6-7 depictenvironmental structure that forms no part of the claimed design. Allother broken lines depict portions of the instrument unit that form nopart of the claimed design.

CLAIM The ornamental design for an instrument unit, as shown anddescribed.